wgl: find headers recursive

The directory structure was updated to have a typical ./include, ./lib,
./lib64 structure, otherwise the search heuristics of `find_libraries`
does not work. Also add a comment to tell what the test does, cause it
was unclear.

lib/spack/docs/packaging_guide.rst

@@ -3234,7 +3234,7 @@ as a ``@property`` in the package's class:
        @property
        def libs(self):
            # The library provided by Foo is libMyFoo.so
-           return find_libraries("libMyFoo", root=self.home, recursive=True)
+           return find_libraries("libMyFoo", root=self.home)
 
 A package may also provide a custom implementation of each attribute
 for the virtual packages it provides by implementing the
@@ -3288,22 +3288,22 @@ follows:
        # Just the foo headers
        @property
        def headers(self):
-           return find_headers("foo", root=self.home.include, recursive=False)
+           return find_headers("foo", root=self.home)
 
        # Just the foo libraries
        @property
        def libs(self):
-           return find_libraries("libFoo", root=self.home, recursive=True)
+           return find_libraries("libFoo", root=self.home)
 
        # The header provided by the bar virtual package
        @property
        def bar_headers(self):
-           return find_headers("bar/bar.h", root=self.home.include, recursive=False)
+           return find_headers("bar", root=self.home)
 
        # The library provided by the bar virtual package
        @property
        def bar_libs(self):
-           return find_libraries("libFooBar", root=self.home, recursive=True)
+           return find_libraries("libFooBar", root=self.home)
 
        # The baz virtual package home
        @property
@@ -3313,12 +3313,12 @@ follows:
        # The header provided by the baz virtual package
        @property
        def baz_headers(self):
-           return find_headers("baz/baz", root=self.baz_home.include, recursive=False)
+           return find_headers("baz", root=self.baz_home)
 
        # The library provided by the baz virtual package
        @property
        def baz_libs(self):
-           return find_libraries("libFooBaz", root=self.baz_home, recursive=True)
+           return find_libraries("libFooBaz", root=self.baz_home)
 
 Now consider another package, ``foo-app``, depending on all three:
 

lib/spack/llnl/util/filesystem.py

@@ -1691,6 +1691,7 @@ def find(
     root: Union[Path, Sequence[Path]],
     files: Union[str, Sequence[str]],
     recursive: bool = True,
+    *,
     max_depth: Optional[int] = None,
 ) -> List[str]:
     """Finds all files matching the patterns from ``files`` starting from ``root``. This function
@@ -2104,7 +2105,13 @@ def add_macro(self, macro):
         self._macro_definitions.append(macro)
 
 
-def find_headers(headers, root, recursive=False):
+def find_headers(
+    headers: Union[List[str], str],
+    root: str,
+    recursive: Union[bool, str] = "heuristic",
+    *,
+    max_depth: Optional[int] = None,
+) -> HeaderList:
     """Returns an iterable object containing a list of full paths to
     headers if found.
 
@@ -2120,10 +2127,11 @@ def find_headers(headers, root, recursive=False):
     =======  ====================================
 
     Parameters:
-        headers (str or list): Header name(s) to search for
-        root (str): The root directory to start searching from
-        recursive (bool): if False search only root folder,
-            if True descends top-down from the root. Defaults to False.
+        headers: Header name(s) to search for
+        root: The root directory to start searching from
+        recursive: if False search only root folder, if True recurse from the root. Defaults to
+            "heuristic", which uses a non-exhaustive, faster search.
+        max_depth: if set, don't search below this depth. Cannot be set if recursive is False.
 
     Returns:
         HeaderList: The headers that have been found
@@ -2131,10 +2139,13 @@ def find_headers(headers, root, recursive=False):
     if isinstance(headers, str):
         headers = [headers]
     elif not isinstance(headers, collections.abc.Sequence):
-        message = "{0} expects a string or sequence of strings as the "
-        message += "first argument [got {1} instead]"
-        message = message.format(find_headers.__name__, type(headers))
-        raise TypeError(message)
+        raise TypeError(
+            f"{find_headers.__name__} expects a string or sequence of strings as the "
+            f"first argument [got {type(headers)} instead]"
+        )
+
+    if recursive is False and max_depth is not None:
+        raise ValueError(f"max_depth ({max_depth}) cannot be set if recursive is False")
 
     # Construct the right suffix for the headers
     suffixes = [
@@ -2154,18 +2165,32 @@ def find_headers(headers, root, recursive=False):
     ]
 
     # List of headers we are searching with suffixes
-    headers = ["{0}.{1}".format(header, suffix) for header in headers for suffix in suffixes]
+    headers = [f"{header}.{suffix}" for header in headers for suffix in suffixes]
 
-    return HeaderList(find(root, headers, recursive))
+    if isinstance(recursive, bool):
+        return HeaderList(find(root, headers, recursive=recursive, max_depth=max_depth))
+
+    # The heuristic here is simpler than the one for libraries: restrict search to <root>/include
+    # (if root isn't an include directory itself) and limit search depth so that headers are found
+    # not deeper than <root>/include/<subdir>/<subdir>/*.
+
+    if max_depth is None:
+        max_depth = 3
+
+    if os.path.basename(root).lower() != "include":
+        root = os.path.join(root, "include")
+        max_depth -= 1
+
+    return HeaderList(find(root, headers, recursive=True, max_depth=max_depth))
 
 
 @system_path_filter
-def find_all_headers(root):
-    """Convenience function that returns the list of all headers found
-    in the directory passed as argument.
+def find_all_headers(root: str) -> HeaderList:
+    """Convenience function that returns the list of all headers found in the directory passed as
+    argument.
 
     Args:
-        root (str): directory where to look recursively for header files
+        root: directory where to look recursively for header files
 
     Returns:
         List of all headers found in ``root`` and subdirectories.
@@ -2323,9 +2348,15 @@ def find_system_libraries(libraries, shared=True):
 
 
 def find_libraries(
-    libraries, root, shared=True, recursive=False, runtime=True, max_depth: Optional[int] = None
-):
-    """Returns an iterable of full paths to libraries found in a root dir.
+    libraries: Union[List[str], str],
+    root: str,
+    shared: bool = True,
+    recursive: Union[bool, str] = "heuristic",
+    runtime: bool = True,
+    *,
+    max_depth: Optional[int] = None,
+) -> LibraryList:
+    """Find libraries in the specified root directory.
 
     Accepts any glob characters accepted by fnmatch:
 
@@ -2339,18 +2370,14 @@ def find_libraries(
     =======  ====================================
 
     Parameters:
-        libraries (str or list): Library name(s) to search for
-        root (str): The root directory to start searching from
-        shared (bool): if True searches for shared libraries,
-            otherwise for static. Defaults to True.
-        recursive (bool): if False search only root folder,
-            if True descends top-down from the root. Defaults to False.
-        max_depth (int): if set, don't search below this depth. Cannot be set
-            if recursive is False
-        runtime (bool): Windows only option, no-op elsewhere. If true,
-            search for runtime shared libs (.DLL), otherwise, search
-            for .Lib files. If shared is false, this has no meaning.
-            Defaults to True.
+        libraries: library name(s) to search for
+        root: the root directory to start searching from
+        shared: if True searches for shared libraries, otherwise for static. Defaults to True.
+        recursive: if False search only root folder, if True recurse from the root. Defaults to
+            "heuristic", which uses a non-exhaustive, faster search.
+        runtime: Windows only option, no-op elsewhere. If True (default), search for runtime shared
+            libs (.DLL), otherwise, search for .Lib files. If shared is False, this has no meaning.
+        max_depth: if set, don't search below this depth. Cannot be set if recursive is False.
 
     Returns:
         LibraryList: The libraries that have been found
@@ -2359,10 +2386,13 @@ def find_libraries(
     if isinstance(libraries, str):
         libraries = [libraries]
     elif not isinstance(libraries, collections.abc.Sequence):
-        message = "{0} expects a string or sequence of strings as the "
-        message += "first argument [got {1} instead]"
-        message = message.format(find_libraries.__name__, type(libraries))
-        raise TypeError(message)
+        raise TypeError(
+            f"{find_libraries.__name__} expects a string or sequence of strings as the "
+            f"first argument [got {type(libraries)} instead]"
+        )
+
+    if recursive is False and max_depth is not None:
+        raise ValueError(f"max_depth ({max_depth}) cannot be set if recursive is False")
 
     if sys.platform == "win32":
         static_ext = "lib"
@@ -2385,33 +2415,52 @@ def find_libraries(
         suffixes = [static_ext]
 
     # List of libraries we are searching with suffixes
-    libraries = ["{0}.{1}".format(lib, suffix) for lib in libraries for suffix in suffixes]
+    libraries = [f"{lib}.{suffix}" for lib in libraries for suffix in suffixes]
 
-    if not recursive:
-        if max_depth:
-            raise ValueError(f"max_depth ({max_depth}) cannot be set if recursive is False")
-        # If not recursive, look for the libraries directly in root
-        return LibraryList(find(root, libraries, recursive=False))
+    if isinstance(recursive, bool):
+        return LibraryList(find(root, libraries, recursive=recursive, max_depth=max_depth))
+
+    # Heuristic search: a form of non-exhaustive iterative deepening, in order to return early if
+    # libraries are found in their usual locations. This is the default behavior for recursive
+    # searches.
+
+    if max_depth is None:
+        # this default covers search in <root>/lib/pythonX.Y/site-packages/<package>/*.
+        max_depth = 4
 
-    # To speedup the search for external packages configured e.g. in /usr,
-    # perform first non-recursive search in root/lib then in root/lib64 and
-    # finally search all of root recursively. The search stops when the first
-    # match is found.
-    common_lib_dirs = ["lib", "lib64"]
     if sys.platform == "win32":
-        common_lib_dirs.extend(["bin", "Lib"])
-
-    for subdir in common_lib_dirs:
-        dirname = join_path(root, subdir)
-        if not os.path.isdir(dirname):
-            continue
-        found_libs = find(dirname, libraries, False)
-        if found_libs:
-            break
+        common_lib_dirs = ("lib", "lib64", "bin", "Lib")
     else:
-        found_libs = find(root, libraries, recursive=True, max_depth=max_depth)
+        common_lib_dirs = ("lib", "lib64")
 
-    return LibraryList(found_libs)
+    if os.path.basename(root).lower() not in common_lib_dirs:
+        # search root and its direct library subdirectories non-recursively
+        non_recursive = [root, *(os.path.join(root, libdir) for libdir in common_lib_dirs)]
+        # avoid the expensive recursive search of the root directory
+        fallback_recursive = [os.path.join(root, libdir) for libdir in common_lib_dirs]
+        # reduce max_depth by 1 as we already joined the common library directories
+        max_depth -= 1
+    else:
+        # the call site already has a common library dir as root
+        non_recursive = [root]
+        fallback_recursive = [root]
+
+    found_libs = find(non_recursive, libraries, recursive=False)
+
+    if found_libs:
+        return LibraryList(found_libs)
+
+    # Do one more (manual) step of iterative deepening, to early exit on typical
+    # <root>/lib/<triplet>/ sub-directories before exhaustive, max_depth search. Slightly better
+    # would be to add lib/<triplet> itself to common_lib_dirs, but we are lacking information to
+    # determine the triplet.
+    if max_depth is None or max_depth > 1:
+        found_libs = find(fallback_recursive, libraries, max_depth=1)
+        if found_libs:
+            return LibraryList(found_libs)
+
+    # Finally fall back to exhaustive, recursive search
+    return LibraryList(find(fallback_recursive, libraries, recursive=True, max_depth=max_depth))
 
 
 def find_all_shared_libraries(root, recursive=False, runtime=True):

lib/spack/spack/spec.py

@@ -1097,20 +1097,19 @@ def _command_default_handler(spec: "Spec"):
 def _headers_default_handler(spec: "Spec"):
     """Default handler when looking for the 'headers' attribute.
 
-    Tries to search for ``*.h`` files recursively starting from
-    ``spec.package.home.include``.
+    Tries to search heuristically for header files in ``spec.package.home``.
 
     Parameters:
         spec: spec that is being queried
 
     Returns:
-        HeaderList: The headers in ``prefix.include``
+        HeaderList: The headers in ``prefix``
 
     Raises:
         NoHeadersError: If no headers are found
     """
     home = getattr(spec.package, "home")
-    headers = fs.find_headers("*", root=home.include, recursive=True)
+    headers = fs.find_headers("*", root=home)
 
     if headers:
         return headers
@@ -1160,7 +1159,7 @@ def _libs_default_handler(spec: "Spec"):
     for shared in search_shared:
         # Since we are searching for link libraries, on Windows search only for
         # ".Lib" extensions by default as those represent import libraries for implicit links.
-        libs = fs.find_libraries(name, home, shared=shared, recursive=True, runtime=False)
+        libs = fs.find_libraries(name, home, shared=shared, runtime=False)
         if libs:
             return libs
 

lib/spack/spack/test/llnl/util/file_list.py

@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 import fnmatch
-import os.path
+import pathlib
 import sys
 
 import pytest
@@ -242,7 +242,7 @@ def test_add(self, header_list):
 
 
 #: Directory where the data for the test below is stored
-search_dir = os.path.join(spack.paths.test_path, "data", "directory_search")
+search_dir = pathlib.Path(spack.paths.test_path) / "data" / "directory_search"
 
 
 @pytest.mark.parametrize(
@@ -257,7 +257,7 @@ def test_add(self, header_list):
     ],
 )
 def test_library_type_search(lib_list, kwargs):
-    results = find_libraries(lib_list, search_dir, **kwargs)
+    results = find_libraries(lib_list, str(search_dir), **kwargs)
     assert len(results) != 0
     for result in results:
         lib_type_ext = plat_shared_ext
@@ -293,13 +293,17 @@ def test_library_type_search(lib_list, kwargs):
         (find_headers, ["a", "c"], search_dir, {"recursive": True}),
         (find_headers, ["c", "b", "a"], search_dir, {"recursive": True}),
         (find_headers, ["a", "c"], search_dir, {"recursive": True}),
-        (find_libraries, ["liba", "libd"], os.path.join(search_dir, "b"), {"recursive": False}),
-        (find_headers, ["b", "d"], os.path.join(search_dir, "b"), {"recursive": False}),
+        (find_libraries, ["liba", "libd"], search_dir / "lib" / "a", {"recursive": False}),
+        (find_headers, ["a", "d"], search_dir / "include" / "a", {"recursive": False}),
     ],
 )
 def test_searching_order(search_fn, search_list, root, kwargs):
+    """Tests whether when multiple libraries or headers are searched for, like [a, b], the found
+    file list adheres to the same ordering: [a matches..., b matches...], which is relevant in case
+    of dependencies across static libraries, and we want to ensure they are passed in the correct
+    order to the linker."""
     # Test search
-    result = search_fn(search_list, root, **kwargs)
+    result = search_fn(search_list, str(root), **kwargs)
 
     # The tests are set-up so that something is always found
     assert len(result) != 0

var/spack/repos/builtin/packages/acfl/package.py

@@ -386,7 +386,6 @@ def blas_libs(self):
             [libname, "libamath", "libastring"],
             root=armpl_prefix,
             shared=self.spec.satisfies("+shared"),
-            recursive=True,
         )
 
         armpl_libs += find_system_libraries(["libm"])
@@ -416,7 +415,7 @@ def headers(self):
 
         incdir = join_path(armpl_dir, suffix)
 
-        hlist = find_all_headers(incdir)
+        hlist = find_headers("*", incdir)
         hlist.directories = [incdir]
         return hlist
 

var/spack/repos/builtin/packages/adios2/package.py

@@ -350,7 +350,7 @@ def libs(self):
                 libs_to_seek.add("libadios2_fortran")
 
         return find_libraries(
-            list(libs_to_seek), root=self.spec.prefix, shared=("+shared" in spec), recursive=True
+            list(libs_to_seek), root=self.spec.prefix, shared=("+shared" in spec)
         )
 
     def setup_run_environment(self, env):

var/spack/repos/builtin/packages/amdblis/package.py

@@ -119,5 +119,4 @@ def libs(self):
             ["libblis"] if self.spec.satisfies("threads=none") else ["libblis-mt"],
             root=self.prefix,
             shared=self.spec.satisfies("libs=shared"),
-            recursive=True,
         )

var/spack/repos/builtin/packages/amdlibflame/package.py

@@ -110,16 +110,12 @@ class Amdlibflame(CMakePackage, LibflameBase):
     @property
     def lapack_libs(self):
         """find lapack_libs function"""
-        return find_libraries(
-            "libflame", root=self.prefix, shared="+shared" in self.spec, recursive=True
-        )
+        return find_libraries("libflame", root=self.prefix, shared="+shared" in self.spec)
 
     @property
     def libs(self):
         """find libflame libs function"""
-        return find_libraries(
-            "libflame", root=self.prefix, shared="+shared" in self.spec, recursive=True
-        )
+        return find_libraries("libflame", root=self.prefix, shared="+shared" in self.spec)
 
     def flag_handler(self, name, flags):
         if name == "cflags":

var/spack/repos/builtin/packages/aocl-libmem/package.py

@@ -67,7 +67,7 @@ class AoclLibmem(CMakePackage):
     def libs(self):
         """find libmem libs function"""
         shared = "+shared" in self.spec
-        return find_libraries("libaocl-libmem", root=self.prefix, recursive=True, shared=shared)
+        return find_libraries("libaocl-libmem", root=self.prefix, shared=shared)
 
     def cmake_args(self):
         """Runs ``cmake`` in the build directory"""

var/spack/repos/builtin/packages/aocl-sparse/package.py

@@ -77,9 +77,7 @@ class AoclSparse(CMakePackage):
     @property
     def libs(self):
         """find libaoclsparse libs function"""
-        return find_libraries(
-            "libaoclsparse", root=self.prefix, shared="+shared" in self.spec, recursive=True
-        )
+        return find_libraries("libaoclsparse", root=self.prefix, shared="+shared" in self.spec)
 
     @property
     def build_directory(self):

var/spack/repos/builtin/packages/aocl-utils/package.py

@@ -57,7 +57,7 @@ class AoclUtils(CMakePackage):
     def libs(self):
         """find aocl-utils libs function"""
         shared = "+shared" in self.spec
-        return find_libraries("libaoclutils", root=self.prefix, recursive=True, shared=shared)
+        return find_libraries("libaoclutils", root=self.prefix, shared=shared)
 
     def cmake_args(self):
         args = [

var/spack/repos/builtin/packages/apple-libunwind/package.py

@@ -66,13 +66,9 @@ def libs(self):
         it will link dynamically to `/usr/lib/system/libunwind.dylib`.
 
         """
-        libs = find_libraries("libSystem", self.prefix.lib, shared=True, recursive=False)
-        if libs:
-            return libs
-        return None
+        return find_libraries("libSystem", self.prefix.lib, shared=True, recursive=False)
 
     @property
     def headers(self):
         """Export the Apple libunwind header"""
-        hdrs = HeaderList(find(self.prefix.include, "libunwind.h", recursive=False))
-        return hdrs or None
+        return HeaderList(find(self.prefix.include, "libunwind.h", recursive=False))

var/spack/repos/builtin/packages/apr-util/package.py

@@ -40,9 +40,7 @@ class AprUtil(AutotoolsPackage):
 
     @property
     def libs(self):
-        return find_libraries(
-            [f"libaprutil-{self.version.up_to(1)}"], root=self.prefix, recursive=True
-        )
+        return find_libraries([f"libaprutil-{self.version.up_to(1)}"], root=self.prefix)
 
     def configure_args(self):
         spec = self.spec

var/spack/repos/builtin/packages/apr/package.py

@@ -33,6 +33,4 @@ class Apr(AutotoolsPackage):
 
     @property
     def libs(self):
-        return find_libraries(
-            [f"libapr-{self.version.up_to(1)}"], root=self.prefix, recursive=True
-        )
+        return find_libraries([f"libapr-{self.version.up_to(1)}"], root=self.prefix)

var/spack/repos/builtin/packages/armcomputelibrary/package.py

@@ -133,14 +133,13 @@ def libs(self):
             ["libarm_compute", "libarm_compute_core", "libarm_compute_graph"],
             root=self.spec.prefix,
             shared=True,
-            recursive=True,
         )
         return acl_libs
 
     @property
     def headers(self):
         incdir = join_path(self.spec.prefix, "include")
-        hlist = find_all_headers(incdir)
+        hlist = find_headers("*", incdir)
         hlist.directories = [incdir]
         return hlist
 

var/spack/repos/builtin/packages/armpl-gcc/package.py

@@ -457,7 +457,6 @@ def blas_libs(self):
             [libname, "libamath", "libastring"],
             root=armpl_prefix,
             shared=self.spec.satisfies("+shared"),
-            recursive=True,
         )
 
         armpl_libs += find_system_libraries(["libm"])
@@ -487,7 +486,7 @@ def headers(self):
 
         incdir = join_path(armpl_dir, suffix)
 
-        hlist = find_all_headers(incdir)
+        hlist = find_headers("*", incdir)
         hlist.directories = [incdir]
         return hlist
 

var/spack/repos/builtin/packages/arpack-ng/package.py

@@ -112,7 +112,7 @@ def libs(self):
         if self.spec.satisfies("+mpi"):
             libraries = ["libparpack"] + libraries
 
-        return find_libraries(libraries, root=self.prefix, shared=True, recursive=True)
+        return find_libraries(libraries, root=self.prefix, shared=True)
 
 
 class CMakeBuilder(spack.build_systems.cmake.CMakeBuilder):

var/spack/repos/builtin/packages/arrayfire/package.py

@@ -67,7 +67,7 @@ def libs(self):
         if not query_parameters or "unified" in query_parameters:
             libraries.append("libaf")
 
-        return find_libraries(libraries, root=self.prefix, recursive=True)
+        return find_libraries(libraries, root=self.prefix)
 
     def cmake_args(self):
         args = []

var/spack/repos/builtin/packages/atlas/package.py

@@ -152,7 +152,7 @@ def libs(self):
             )
             to_find = ["liblapack"] + interfaces + ["libatlas"]
             shared = False
-        return find_libraries(to_find, root=self.prefix, shared=shared, recursive=True)
+        return find_libraries(to_find, root=self.prefix, shared=shared)
 
     def install_test(self):
         source_file = join_path(os.path.dirname(self.module.__file__), "test_cblas_dgemm.c")

var/spack/repos/builtin/packages/bigdft-atlab/package.py

@@ -99,4 +99,4 @@ def configure_args(self):
     @property
     def libs(self):
         shared = "+shared" in self.spec
-        return find_libraries("libatlab-*", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libatlab-*", root=self.prefix, shared=shared)

var/spack/repos/builtin/packages/bigdft-chess/package.py

@@ -120,4 +120,4 @@ def configure_args(self):
     @property
     def libs(self):
         shared = "+shared" in self.spec
-        return find_libraries("libCheSS-*", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libCheSS-*", root=self.prefix, shared=shared)

var/spack/repos/builtin/packages/bigdft-core/package.py

@@ -134,4 +134,4 @@ def configure_args(self):
     @property
     def libs(self):
         shared = "+shared" in self.spec
-        return find_libraries("libbigdft-*", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libbigdft-*", root=self.prefix, shared=shared)

var/spack/repos/builtin/packages/bigdft-futile/package.py

@@ -105,4 +105,4 @@ def configure_args(self):
     @property
     def libs(self):
         shared = "+shared" in self.spec
-        return find_libraries("libfutile-*", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libfutile-*", root=self.prefix, shared=shared)

var/spack/repos/builtin/packages/bigdft-libabinit/package.py

@@ -87,4 +87,4 @@ def configure_args(self):
     @property
     def libs(self):
         shared = "+shared" in self.spec
-        return find_libraries("libabinit", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libabinit", root=self.prefix, shared=shared)

var/spack/repos/builtin/packages/bigdft-liborbs/package.py

@@ -90,4 +90,4 @@ def configure_args(self):
     @property
     def libs(self):
         shared = "+shared" in self.spec
-        return find_libraries("libbigdft-*", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libbigdft-*", root=self.prefix, shared=shared)

var/spack/repos/builtin/packages/bigdft-psolver/package.py

@@ -108,4 +108,4 @@ def configure_args(self):
     @property
     def libs(self):
         shared = "+shared" in self.spec
-        return find_libraries("libPSolver-*", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libPSolver-*", root=self.prefix, shared=shared)

var/spack/repos/builtin/packages/bigdft-spred/package.py

@@ -105,4 +105,4 @@ def configure_args(self):
     @property
     def libs(self):
         shared = "+shared" in self.spec
-        return find_libraries("libspred-*", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libspred-*", root=self.prefix, shared=shared)

var/spack/repos/builtin/packages/boost/package.py

@@ -172,7 +172,7 @@ def libs(self):
         libnames += ["monitor"]
         libraries = ["libboost_*%s*" % lib for lib in libnames]
 
-        return find_libraries(libraries, root=self.prefix, shared=shared, recursive=True)
+        return find_libraries(libraries, root=self.prefix, shared=shared)
 
     variant(
         "context-impl",

var/spack/repos/builtin/packages/brunsli/package.py

@@ -23,6 +23,4 @@ class Brunsli(CMakePackage):
 
     @property
     def libs(self):
-        return find_libraries(
-            ["libbrunslidec-c", "libbrunslienc-c"], root=self.prefix, recursive=True
-        )
+        return find_libraries(["libbrunslidec-c", "libbrunslienc-c"], root=self.prefix)

var/spack/repos/builtin/packages/bufr/package.py

@@ -108,7 +108,7 @@ def _setup_bufr_environment(self, env, suffix):
         shared = True if "+shared" in self.spec else False
         # Bufr has _DA (dynamic allocation) libs in versions <= 11.5.0
         append = "" if self.spec.satisfies("@11.5.0:") else "_DA"
-        lib = find_libraries(libname + append, root=self.prefix, shared=shared, recursive=True)
+        lib = find_libraries(libname + append, root=self.prefix, shared=shared)
         lib_envname = "BUFR_LIB{0}".format(suffix) + append
         inc_envname = "BUFR_INC{0}".format(suffix) + append
         include_dir = "{0}_{1}".format(self.prefix.include.bufr, suffix)

var/spack/repos/builtin/packages/bzip2/package.py

@@ -61,7 +61,7 @@ def determine_version(cls, exe):
     @property
     def libs(self):
         shared = "+shared" in self.spec
-        return find_libraries("libbz2", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libbz2", root=self.prefix, shared=shared)
 
     def flag_handler(self, name, flags):
         if name == "cflags":

var/spack/repos/builtin/packages/c-ares/package.py

@@ -30,4 +30,4 @@ def url_for_version(self, version):
 
     @property
     def libs(self):
-        return find_libraries(["libcares"], root=self.prefix, recursive=True)
+        return find_libraries(["libcares"], root=self.prefix)

var/spack/repos/builtin/packages/c-blosc/package.py

@@ -49,7 +49,7 @@ class CBlosc(CMakePackage):
 
     @property
     def libs(self):
-        return find_libraries("libblosc", root=self.prefix, recursive=True)
+        return find_libraries("libblosc", root=self.prefix)
 
     def cmake_args(self):
         args = []

var/spack/repos/builtin/packages/cray-fftw/package.py

@@ -71,4 +71,4 @@ def libs(self):
 
             libraries.append("libfftw3" + sfx)
 
-        return find_libraries(libraries, root=self.prefix, recursive=True)
+        return find_libraries(libraries, root=self.prefix)

var/spack/repos/builtin/packages/cray-mpich/package.py

@@ -109,7 +109,7 @@ def install(self, spec, prefix):
 
     @property
     def headers(self):
-        hdrs = find_headers("mpi", self.prefix.include, recursive=True)
+        hdrs = find_headers("mpi", self.prefix.include)
         hdrs.directories = os.path.dirname(hdrs[0])
         return hdrs
 
@@ -128,7 +128,4 @@ def libs(self):
         if "f90" in query_parameters:
             libraries.extend(["libmpif90", "libmpichf90"])
 
-        libs = find_libraries(libraries, root=self.prefix.lib, recursive=True)
-        libs += find_libraries(libraries, root=self.prefix.lib64, recursive=True)
-
-        return libs
+        return find_libraries(libraries, root=self.prefix)

var/spack/repos/builtin/packages/cray-pmi/package.py

@@ -20,8 +20,8 @@ class CrayPmi(Package):
 
     @property
     def headers(self):
-        return find_headers("pmi", self.prefix.include, recursive=True)
+        return find_headers("pmi", self.prefix)
 
     @property
     def libs(self):
-        return find_libraries(["libpmi"], root=self.prefix, recursive=True)
+        return find_libraries(["libpmi"], root=self.prefix)

var/spack/repos/builtin/packages/cuda/package.py

@@ -795,7 +795,7 @@ def install(self, spec, prefix):
 
     @property
     def libs(self):
-        libs = find_libraries("libcudart", root=self.prefix, shared=True, recursive=True)
+        libs = find_libraries("libcudart", root=self.prefix, shared=True)
 
         filtered_libs = []
         # CUDA 10.0 provides Compatability libraries for running newer versions

var/spack/repos/builtin/packages/dd4hep/package.py

@@ -149,7 +149,7 @@ def libs(self):
         # We need to override libs here, because we don't build a libdd4hep so
         # the default discovery fails. All libraries that are built by DD4hep
         # start with libDD
-        return find_libraries("libDD*", root=self.prefix, shared=True, recursive=True)
+        return find_libraries("libDD*", root=self.prefix, shared=True)
 
     def cmake_args(self):
         spec = self.spec

var/spack/repos/builtin/packages/dihydrogen/package.py

@@ -233,7 +233,7 @@ class Dihydrogen(CachedCMakePackage, CudaPackage, ROCmPackage):
     @property
     def libs(self):
         shared = True if "+shared" in self.spec else False
-        return find_libraries("libH2Core", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libH2Core", root=self.prefix, shared=shared)
 
     def cmake_args(self):
         args = []

var/spack/repos/builtin/packages/dislin/package.py

@@ -35,7 +35,7 @@ def libs(self):
         key = tuple(query_parameters)
         libraries = query2libraries[key]
 
-        return find_libraries(libraries, root=self.prefix, shared=True, recursive=True)
+        return find_libraries(libraries, root=self.prefix, shared=True)
 
     def setup_build_environment(self, env):
         env.set("DISLIN", self.prefix)

var/spack/repos/builtin/packages/dsfmt/package.py

@@ -28,7 +28,7 @@ class Dsfmt(MakefilePackage):
 
     @property
     def libs(self):
-        return find_libraries("libdSFMT", root=self.prefix, recursive=True)
+        return find_libraries("libdSFMT", root=self.prefix)
 
     def build(self, spec, prefix):
         make("build-library", "CC=cc")

var/spack/repos/builtin/packages/dyninst/package.py

@@ -168,13 +168,13 @@ def cmake_args(self):
 
         # Elf -- the directory containing libelf.h.
         elf = spec["elf"].prefix
-        elf_include = os.path.dirname(find_headers("libelf", elf.include, recursive=True)[0])
+        elf_include = os.path.dirname(find_headers("libelf", elf.include)[0])
 
         # Dwarf -- the directory containing elfutils/libdw.h or
         # libdwarf.h, and the path to libdw.so or libdwarf.so.
         if spec.satisfies("@10.0.0:"):
             dwarf_include = elf.include
-            dwarf_lib = find_libraries("libdw", elf, recursive=True)
+            dwarf_lib = find_libraries("libdw", elf)
         else:
             dwarf_include = spec["libdwarf"].prefix.include
             dwarf_lib = spec["libdwarf"].libs

var/spack/repos/builtin/packages/eccodes/package.py

@@ -295,7 +295,7 @@ def libs(self):
         if return_memfs:
             libraries.append("libeccodes_memfs")
 
-        libs = find_libraries(libraries, root=self.prefix, shared=shared, recursive=True)
+        libs = find_libraries(libraries, root=self.prefix, shared=shared)
 
         if libs and len(libs) == len(libraries):
             return libs

var/spack/repos/builtin/packages/egl/package.py

@@ -78,15 +78,15 @@ def libs(self):
     @property
     def egl_headers(self):
         header_name = "GL/gl"
-        gl_header = find_headers(header_name, root=self.prefix, recursive=True)
+        gl_header = find_headers(header_name, root=self.prefix)
         header_name = "EGL/egl"
-        egl_header = find_headers(header_name, root=self.prefix, recursive=True)
+        egl_header = find_headers(header_name, root=self.prefix)
         return gl_header + egl_header
 
     @property
     def egl_libs(self):
         lib_name = "libGL"
-        gl_lib = find_libraries(lib_name, root=self.prefix, recursive=True)
+        gl_lib = find_libraries(lib_name, root=self.prefix)
         lib_name = "libEGL"
-        egl_lib = find_libraries(lib_name, root=self.prefix, recursive=True)
+        egl_lib = find_libraries(lib_name, root=self.prefix)
         return gl_lib + egl_lib

var/spack/repos/builtin/packages/eigen/package.py

@@ -84,6 +84,6 @@ def cmake_args(self):
 
     @property
     def headers(self):
-        headers = find_all_headers(self.prefix.include)
+        headers = find_headers("*", self.prefix)
         headers.directories = [self.prefix.include.eigen3]
         return headers

var/spack/repos/builtin/packages/elemental/package.py

@@ -98,7 +98,7 @@ class Elemental(CMakePackage):
     @property
     def libs(self):
         shared = True if "+shared" in self.spec else False
-        return find_libraries("libEl", root=self.prefix, shared=shared, recursive=True)
+        return find_libraries("libEl", root=self.prefix, shared=shared)
 
     def cmake_args(self):
         spec = self.spec
@@ -123,7 +123,7 @@ def cmake_args(self):
             ifort = env["SPACK_F77"]
             intel_bin = os.path.dirname(ifort)
             intel_root = os.path.dirname(intel_bin)
-            libfortran = find_libraries("libifcoremt", root=intel_root, recursive=True)
+            libfortran = find_libraries("libifcoremt", root=intel_root)
         elif self.spec.satisfies("%gcc"):
             # see <stage_folder>/debian/rules as an example:
             mpif77 = Executable(spec["mpi"].mpif77)
@@ -134,7 +134,7 @@ def cmake_args(self):
             xl_fort = env["SPACK_F77"]
             xl_bin = os.path.dirname(xl_fort)
             xl_root = os.path.dirname(xl_bin)
-            libfortran = find_libraries("libxlf90_r", root=xl_root, recursive=True)
+            libfortran = find_libraries("libxlf90_r", root=xl_root)
         else:
             libfortran = None
 

var/spack/repos/builtin/packages/elfutils/package.py

@@ -166,4 +166,4 @@ def install_elfh(self):
     # Provide location of libelf.so to match libelf.
     @property
     def libs(self):
-        return find_libraries("libelf", self.prefix, recursive=True)
+        return find_libraries("libelf", self.prefix)

var/spack/repos/builtin/packages/elpa/package.py

@@ -113,7 +113,7 @@ def url_for_version(self, version):
     @property
     def libs(self):
         libname = "libelpa_openmp" if "+openmp" in self.spec else "libelpa"
-        return find_libraries(libname, root=self.prefix, shared=True, recursive=True)
+        return find_libraries(libname, root=self.prefix, shared=True)
 
     @property
     def headers(self):
@@ -130,7 +130,7 @@ def headers(self):
             "elpa{suffix}-{version}".format(suffix=suffix, version=elpa_version),
         )
 
-        hlist = find_all_headers(incdir)
+        hlist = find_headers("*", incdir)
         hlist.directories = [incdir]
         return hlist
 

var/spack/repos/builtin/packages/enzyme/package.py

@@ -58,7 +58,7 @@ def libs(self):
         if self.version >= Version("0.0.32"):  # TODO actual lower bound
             libs.append("LLDEnzyme-{0}".format(ver))
 
-        return find_libraries(libs, root=self.prefix, recursive=True)
+        return find_libraries(libs, root=self.prefix)
 
     def setup_dependent_build_environment(self, env, dependent_spec):
         # Get the LLVMEnzyme and ClangEnzyme lib paths

var/spack/repos/builtin/packages/extrae/package.py

@@ -142,7 +142,7 @@ def configure_args(self):
         )
 
         if spec.satisfies("+cupti"):
-            cupti_h = find_headers("cupti", spec["cuda"].prefix, recursive=True)
+            cupti_h = find_headers("cupti", spec["cuda"].prefix)
             cupti_dir = os.path.dirname(os.path.dirname(cupti_h[0]))
 
         args += ["--with-cupti=%s" % cupti_dir] if "+cupti" in spec else ["--without-cupti"]

var/spack/repos/builtin/packages/fdb/package.py

@@ -71,7 +71,7 @@ class Fdb(CMakePackage):
 
     @property
     def libs(self):
-        return find_libraries("libfdb5", root=self.prefix, shared=True, recursive=True)
+        return find_libraries("libfdb5", root=self.prefix, shared=True)
 
     def cmake_args(self):
         enable_build_tools = "+tools" in self.spec

var/spack/repos/builtin/packages/ffmpeg/package.py

@@ -171,11 +171,11 @@ class Ffmpeg(AutotoolsPackage):
 
     @property
     def libs(self):
-        return find_libraries("*", self.prefix, recursive=True)
+        return find_libraries("*", self.prefix)
 
     @property
     def headers(self):
-        headers = find_all_headers(self.prefix.include)
+        headers = find_headers("*", self.prefix)
         headers.directories = [self.prefix.include]
         return headers
 

var/spack/repos/builtin/packages/fftw/package.py

@@ -62,7 +62,7 @@ def libs(self):
 
             libraries.append("libfftw3" + sfx)
 
-        return find_libraries(libraries, root=self.prefix, recursive=True)
+        return find_libraries(libraries, root=self.prefix)
 
     def flag_handler(self, name, flags):
         if name == "cflags":

var/spack/repos/builtin/packages/freeglut/package.py

@@ -75,4 +75,4 @@ def cmake_args(self):
 
     @property
     def libs(self):
-        return find_libraries(["libglut"], root=self.prefix, recursive=True)
+        return find_libraries(["libglut"], root=self.prefix)

var/spack/repos/builtin/packages/freetype/package.py

@@ -81,7 +81,7 @@ def url_for_version(self, version):
 
     @property
     def headers(self):
-        headers = find_headers("*", self.prefix.include, recursive=True)
+        headers = find_headers("*", self.prefix.include)
         headers.directories = [self.prefix.include.freetype2]
         return headers
 

var/spack/repos/builtin/packages/fujitsu-mpi/package.py

@@ -29,7 +29,7 @@ def install(self, spec, prefix):
 
     @property
     def headers(self):
-        hdrs = find_headers("mpi", self.prefix.include, recursive=True)
+        hdrs = find_headers("mpi", self.prefix.include)
         hdrs.directories = os.path.dirname(hdrs[0])
         return hdrs or None
 
@@ -41,7 +41,7 @@ def libs(self):
         if "cxx" in query_parameters:
             libraries = ["libmpi_cxx"] + libraries
 
-        return find_libraries(libraries, root=self.prefix, shared=True, recursive=True)
+        return find_libraries(libraries, root=self.prefix, shared=True)
 
     def setup_dependent_package(self, module, dependent_spec):
         if self.spec.satisfies("%gcc"):

var/spack/repos/builtin/packages/fujitsu-ssl2/package.py

@@ -131,5 +131,5 @@ def setup_dependent_build_environment(self, env, dependent_spec):
     @property
     def headers(self):
         path = join_path(self.spec.prefix, "clang-comp")
-        headers = find_headers("cssl", path, recursive=True)
+        headers = find_headers("cssl", path)
         return headers

var/spack/repos/builtin/packages/g2c/package.py

@@ -89,7 +89,7 @@ def setup_run_environment(self, env):
             shared = False
         else:
             shared = self.spec.satisfies("libs=shared")
-        lib = find_libraries("libg2c", root=self.prefix, shared=shared, recursive=True)
+        lib = find_libraries("libg2c", root=self.prefix, shared=shared)
         env.set("G2C_LIB", lib[0])
         env.set("G2C_INC", join_path(self.prefix, "include"))
 

var/spack/repos/builtin/packages/gfsio/package.py

@@ -33,7 +33,7 @@ def cmake_args(self):
         return args
 
     def setup_run_environment(self, env):
-        lib = find_libraries("libgfsio", root=self.prefix, shared=False, recursive=True)
+        lib = find_libraries("libgfsio", root=self.prefix, shared=False)
         # Only one library version, but still need to set _4 to make NCO happy
         for suffix in ("4", ""):
             env.set("GFSIO_LIB" + suffix, lib[0])

var/spack/repos/builtin/packages/glib/package.py

@@ -205,7 +205,7 @@ def patch(self):
 
     @property
     def libs(self):
-        return find_libraries(["libglib*"], root=self.prefix, recursive=True)
+        return find_libraries(["libglib*"], root=self.prefix)
 
 
 class BaseBuilder(metaclass=spack.builder.PhaseCallbacksMeta):

var/spack/repos/builtin/packages/glx/package.py

@@ -30,7 +30,7 @@ def libs(self):
 
     @property
     def gl_headers(self):
-        return find_headers("GL/gl", root=self.gl_home, recursive=True)
+        return find_headers("GL/gl", root=self.gl_home)
 
     @property
     def gl_libs(self):

var/spack/repos/builtin/packages/gnutls/package.py

@@ -98,6 +98,6 @@ def configure_args(self):
 
     @property
     def headers(self):
-        headers = find_all_headers(self.prefix.include)
+        headers = find_headers("*", self.prefix)
         headers.directories = [self.prefix.include]
         return headers

var/spack/repos/builtin/packages/halide/package.py

@@ -95,7 +95,7 @@ class Halide(CMakePackage, PythonExtension):
 
     @property
     def libs(self):
-        return find_libraries("libHalide", root=self.prefix, recursive=True)
+        return find_libraries("libHalide", root=self.prefix)
 
     def cmake_args(self):
         # See https://github.com/halide/Halide/blob/main/README_cmake.md#building-halide-with-cmake

var/spack/repos/builtin/packages/hdf/package.py

@@ -123,7 +123,7 @@ def libs(self):
         else:
             shared = self.spec.satisfies("+shared")
 
-        libs = find_libraries(libraries, root=self.prefix, shared=shared, recursive=True)
+        libs = find_libraries(libraries, root=self.prefix, shared=shared)
 
         if not libs:
             msg = "Unable to recursively locate {0} {1} libraries in {2}"

var/spack/repos/builtin/packages/hdf5/package.py

@@ -433,7 +433,7 @@ def libs(self):
         key = tuple(sorted(query_parameters))
         libraries = query2libraries[key]
 
-        return find_libraries(libraries, root=self.prefix, shared=shared, recursive=True)
+        return find_libraries(libraries, root=self.prefix, shared=shared)
 
     @classmethod
     def determine_version(cls, exe):

var/spack/repos/builtin/packages/hepmc3/package.py

@@ -60,7 +60,7 @@ class Hepmc3(CMakePackage):
 
     @property
     def libs(self):
-        return find_libraries(["libHepMC3", "libHepMC3Search"], root=self.prefix, recursive=True)
+        return find_libraries(["libHepMC3", "libHepMC3Search"], root=self.prefix)
 
     def cmake_args(self):
         spec = self.spec

var/spack/repos/builtin/packages/hipsycl/package.py

@@ -168,7 +168,7 @@ def adjust_core_config(config):
             rpaths = set()
             if self.spec.satisfies("~rocm"):
                 so_paths = filesystem.find_libraries(
-                    "libc++", self.spec["llvm"].prefix, shared=True, recursive=True
+                    "libc++", self.spec["llvm"].prefix, shared=True
                 )
                 if len(so_paths) != 1:
                     raise InstallError(
@@ -178,7 +178,7 @@ def adjust_core_config(config):
                     )
                 rpaths.add(path.dirname(so_paths[0]))
                 so_paths = filesystem.find_libraries(
-                    "libc++abi", self.spec["llvm"].prefix, shared=True, recursive=True
+                    "libc++abi", self.spec["llvm"].prefix, shared=True
                 )
                 if len(so_paths) != 1:
                     raise InstallError(

var/spack/repos/builtin/packages/hsa-rocr-dev/package.py

@@ -121,9 +121,7 @@ def cmake_args(self):
 
         # hsa-rocr-dev wants the directory containing the header files, but
         # libelf adds an extra path (include/libelf) compared to elfutils
-        libelf_include = os.path.dirname(
-            find_headers("libelf", spec["elf"].prefix.include, recursive=True)[0]
-        )
+        libelf_include = os.path.dirname(find_headers("libelf", spec["elf"].prefix.include)[0])
 
         args = [
             self.define("LIBELF_INCLUDE_DIRS", libelf_include),

var/spack/repos/builtin/packages/htslib/package.py

@@ -73,7 +73,7 @@ class Htslib(AutotoolsPackage):
 
     @property
     def libs(self):
-        return find_libraries("libhts", root=self.prefix, recursive=True)
+        return find_libraries("libhts", root=self.prefix)
 
     # v1.2 uses the automagically assembled tarball from .../archive/...
     # everything else uses the tarballs uploaded to the release

var/spack/repos/builtin/packages/hwloc/package.py

@@ -156,7 +156,7 @@ def url_for_version(self, version):
 
     @property
     def libs(self):
-        libs = find_libraries("libhwloc", root=self.prefix, shared=True, recursive=True)
+        libs = find_libraries("libhwloc", root=self.prefix, shared=True)
         return LibraryList(libs)
 
     def configure_args(self):